| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of reducing a loss that a game parlor may suffer, by detecting abnormality that game balls are not normally distributed.SOLUTION: A pachinko game machine 10 according to the present invention causes a plurality of game ball detection sensors Z1-Z3 to detect the number of game balls passing through a common basic passage 50 and the number of game balls distributed to a first basic flow-down passage 51, and determines presence/absence of passage abnormality where game galls are not normally distributed, using detection results of the game balls by the game ball detection sensors Z1-Z3. Further, when determining that there is abnormality, the pachinko machine executes abnormality notification.SELECTED DRAWING: Figure 22 |
